Spring AI BOM updates

- Remove spring-ai-parent POM as its parent
    - This change is done to make Spring AI dependencies independent of Spring Boot

Signed-off-by: Ilayaperumal Gopinathan <ilayaperumal.gopinathan@broadcom.com>

spring-ai-bom/pom.xml

@@ -19,13 +19,10 @@
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <parent>
-        <groupId>org.springframework.ai</groupId>
-        <artifactId>spring-ai-parent</artifactId>
-        <version>1.0.0-SNAPSHOT</version>
-    </parent>
-
+	<groupId>org.springframework.ai</groupId>
     <artifactId>spring-ai-bom</artifactId>
+	<version>1.0.0-SNAPSHOT</version>
+
     <packaging>pom</packaging>
 
     <name>Spring AI BOM</name>
@@ -39,6 +36,10 @@
         <developerConnection>git@github.com:spring-projects/spring-ai.git</developerConnection>
     </scm>
 
+	<properties>
+		<flatten-maven-plugin.version>1.5.0</flatten-maven-plugin.version>
+	</properties>
+
     <dependencyManagement>
         <dependencies>